A HIGHLY RELIABLE AND LONG LIFE CATHODE

Liao  Xian-Heng; Huang  Hui-Fen; Tang  Bian-Yu; Wan  Xiao-Wen

Volume 4 Issue 1

Nov. 2010

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Article Navigation > Journal of Electronics & Information Technology > 1982 > 4(1): 69-70

Liao Xian-Heng, Huang Hui-Fen, Tang Bian-Yu, Wan Xiao-Wen. A HIGHLY RELIABLE AND LONG LIFE CATHODE[J]. Journal of Electronics & Information Technology, 1982, 4(1): 69-70.

Citation:

Liao Xian-Heng, Huang Hui-Fen, Tang Bian-Yu, Wan Xiao-Wen. A HIGHLY RELIABLE AND LONG LIFE CATHODE[J]. Journal of Electronics & Information Technology, 1982, 4(1): 69-70.

Liao Xian-Heng, Huang Hui-Fen, Tang Bian-Yu, Wan Xiao-Wen. A HIGHLY RELIABLE AND LONG LIFE CATHODE[J]. Journal of Electronics & Information Technology, 1982, 4(1): 69-70.

Citation:

Liao Xian-Heng, Huang Hui-Fen, Tang Bian-Yu, Wan Xiao-Wen. A HIGHLY RELIABLE AND LONG LIFE CATHODE[J]. Journal of Electronics & Information Technology, 1982, 4(1): 69-70.

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A HIGHLY RELIABLE AND LONG LIFE CATHODE

Received Date: 1981-07-01
Publish Date: 1982-01-19

Abstract

Abstract

In this paper, a highly reliable and long life cathode is described. The emission cur-rent density of the cathode is higher than 400 mA/cm2 at 730℃, and has a value of 50-70 mA/cm2 at 550℃. The life of the cathode under different conditions is over than 60000 hrs. The result of oxygen poisoning test is also given.

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